@article{taboada-das-2013-annotation,
    title = "Annotation upon Annotation: Adding Signalling Information to a Corpus of Discourse Relations",
    author = "Taboada, Maite  and
      Das, Debopam",
    editor = "Fern{\'a}ndez, Raquel  and
      Dipper, Stefanie  and
      Zinsmeister, Heike  and
      Webber, Bonnie",
    journal = "Dialogue {\&} Discourse",
    volume = "4",
    year = "2013",
    url = "https://preview.aclanthology.org/ingest-dnd/2013.dnd-4.1/",
    doi = "10.5087/dad.2013.211",
    pages = "249--281"
}